
Brothers In Arms 2, Severed Ties (BAM)
Source: Trigun *SPOILERS*
Audio: "Liberi Fatali" by Nobuo Eumatsu, from Final Fantasy VIII
Concept: Tying up loose ends of a past paved with carnage, hate and destruction.
Best of 2003

Sucks To Be Yoo
Source: Neon Genesis Evangelion *SLIGHT SPOILERS*
Audio: Original NGE Japanese dub
Concept: The world of Evangelion is turned around. Shinji is an editor, and his sound card is kaputz thanks to Windows XP. Will he find encouragement and the will to have hope? Or will everyone still hate him? Special appearance by Richard Cheese.
Some will argue that THIS is the Best of 2003, however

Alpha and Omega
Source: XenoGears
Audio: "The Amityville Horror" by Lalo Schifrin
Concept: You'll either laugh or feel the hairs on your neck stand on end.
Most have opted for the latter, I'm told...
Best of 2004, so far

In The Oven ~ Quahog Kombat, Enter The Chicken
Source: Family Guy
Audio: "Tikal" by ES Posthumus / "Tawara" by James Newton Howard
Concept: The video that made countless people think "Wtf?" is being digitally remastered and crap like that. To appease the public, a trailer was formed.